2017-2019 L5P Duramax Transmission Cooler Line Set Fleece Performance Engineering, Inc.: Innovating Diesel Performance

2007.5-2012 6.7L Cummins 63mm FMW Holset VGT Cheetah Turbocharger Fleece Performance Engineering, Inc.: Innovating Diesel Performance

Duramax Fan Extension Harness (LML) Fleece Performance Engineering, Inc.: Innovating Diesel Performance

2003-2018 Cummins Coolant Bypass Hose Brackets (set of 2) Fleece Performance Engineering, Inc.: Innovating Diesel Performance

Cheetah® Turbocharger for 2019-2022 6.7L Cummins Fleece Performance Engineering, Inc.: Innovating Diesel Performance

S&S Diesel Motorsport LML Duramax Injectors Fleece Performance Engineering, Inc.: Innovating Diesel Performance

Fleece Performance (@FleecePE) / X

1994-2002 5.9L Cummins HX35 63mm FMW Cheetah Turbocharger Fleece Performance Engineering, Inc.: Innovating Diesel Performance

5.9L Freedom Series Cummins Cylinder Head (Performance) Fleece Performance Engineering, Inc.: Innovating Diesel Performance

Transmission Line Kits - Plumbing Fleece Performance Engineering, Inc.: Innovating Diesel Performance

The patented Fleece Performance L5P fuel filter upgrade kit allows you to seamlessly change over from the stock cartridge style filter to a spin-on

L5P Fuel Filter Upgrade Kit (20-24 Short Bed)

2004.5-2007 Freedom Street HD Series 5.9L Cummins Common Rail Long Block Fleece Performance Engineering, Inc.: Innovating Diesel Performance